content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -------------------
   * PolarPlotTests.java
   * -------------------
   * (C) Copyright 2005-2014, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 23-Feb-2005 : Version 1 (DG);
   * 08-Jun-2005 : Extended testEquals() (DG);
   * 07-Feb-2007 : Extended testEquals() and testCloning() (DG);
   * 17-Feb-2008 : Tests for new angleTickUnit field (DG);
   * 09-Dec-2009 : Added new tests (DG);
   * 12-Nov-2011 : Added tests for translateToJava2D (MH);
   * 17-Dec-2011 : Updated testEquals() (DG);
   * 
   */
  
  package org.jfree.chart.plot;
  
  import org.jfree.chart.LegendItem;
  import org.jfree.chart.axis.LogAxis;
  import org.jfree.chart.axis.NumberAxis;
  import org.jfree.chart.axis.NumberTickUnit;
  import org.jfree.chart.axis.ValueAxis;
  import org.jfree.chart.renderer.DefaultPolarItemRenderer;
  import org.jfree.data.xy.DefaultXYDataset;
  import org.jfree.data.xy.XYSeries;
  import org.jfree.data.xy.XYSeriesCollection;
  import org.junit.Test;
  
  import java.awt.BasicStroke;
  import java.awt.Color;
  import java.awt.Font;
  import java.awt.GradientPaint;
  import java.awt.Point;
  import java.awt.Stroke;
  import java.awt.geom.Rectangle2D;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.util.ArrayList;
  import java.util.List;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  
  /**
   * Some tests for the {@link PolarPlot} class.
   */
  public class PolarPlotTest  {
  
  
  
  
  
      /**
       * Some checks for the getLegendItems() method.
       */
      @Test
      public void testGetLegendItems() {
          XYSeriesCollection d = new XYSeriesCollection();
          d.addSeries(new XYSeries("A"));
          d.addSeries(new XYSeries("B"));
          DefaultPolarItemRenderer r = new DefaultPolarItemRenderer();
          PolarPlot plot = new PolarPlot();
          plot.setDataset(d);
          plot.setRenderer(r);
          List<LegendItem> items = plot.getLegendItems();
          assertEquals(2, items.size());
          LegendItem item1 = items.get(0);
          assertEquals("A", item1.getLabel());
          LegendItem item2 = items.get(1);
          assertEquals("B", item2.getLabel());
      }
  
      /**
       * Some checks for the getLegendItems() method with multiple datasets.
       */
      @Test
      public void testGetLegendItems2() {
          XYSeriesCollection d1 = new XYSeriesCollection();
          d1.addSeries(new XYSeries("A"));
          d1.addSeries(new XYSeries("B"));
          XYSeriesCollection d2 = new XYSeriesCollection();
          d2.addSeries(new XYSeries("C"));
          d2.addSeries(new XYSeries("D"));
          DefaultPolarItemRenderer r = new DefaultPolarItemRenderer();
          PolarPlot plot = new PolarPlot();
          plot.setDataset(d1);
          plot.setDataset(1, d2);
          plot.setRenderer(r);
          plot.setRenderer(1, new DefaultPolarItemRenderer());
          List<LegendItem> items = plot.getLegendItems();
          assertEquals(4, items.size());
          LegendItem item1 = items.get(0);
          assertEquals("A", item1.getLabel());
          LegendItem item2 = items.get(1);
          assertEquals("B", item2.getLabel());
          LegendItem item3 = items.get(2);
          assertEquals("C", item3.getLabel());
          LegendItem item4 = items.get(3);
          assertEquals("D", item4.getLabel());
      }
  
      /**
       * Some checks for the equals() method.
       */
      @Test
      public void testEquals() {
          PolarPlot plot1 = new PolarPlot();
          PolarPlot plot2 = new PolarPlot();
          assertEquals(plot1, plot2);
          assertEquals(plot2, plot1);
  
          plot1.setAngleGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.BLUE));
          assertFalse(plot1.equals(plot2));
          plot2.setAngleGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.BLUE));
          assertEquals(plot1, plot2);
  
          Stroke s = new BasicStroke(1.23f);
          plot1.setAngleGridlineStroke(s);
          assertFalse(plot1.equals(plot2));
          plot2.setAngleGridlineStroke(s);
          assertEquals(plot1, plot2);
  
          plot1.setAngleTickUnit(new NumberTickUnit(11.0));
          assertFalse(plot1.equals(plot2));
          plot2.setAngleTickUnit(new NumberTickUnit(11.0));
          assertEquals(plot1, plot2);
  
          plot1.setAngleGridlinesVisible(false);
          assertFalse(plot1.equals(plot2));
          plot2.setAngleGridlinesVisible(false);
          assertEquals(plot1, plot2);
  
          plot1.setAngleLabelFont(new Font("Serif", Font.PLAIN, 9));
          assertFalse(plot1.equals(plot2));
          plot2.setAngleLabelFont(new Font("Serif", Font.PLAIN, 9));
          assertEquals(plot1, plot2);
  
          plot1.setAngleLabelPaint(new GradientPaint(9.0f, 8.0f, Color.BLUE,
                  7.0f, 6.0f, Color.RED));
          assertFalse(plot1.equals(plot2));
          plot2.setAngleLabelPaint(new GradientPaint(9.0f, 8.0f, Color.BLUE,
                  7.0f, 6.0f, Color.RED));
          assertEquals(plot1, plot2);
  
          plot1.setAngleLabelsVisible(false);
          assertFalse(plot1.equals(plot2));
          plot2.setAngleLabelsVisible(false);
          assertEquals(plot1, plot2);
  
          plot1.setAxis(new NumberAxis("Test"));
          assertFalse(plot1.equals(plot2));
          plot2.setAxis(new NumberAxis("Test"));
          assertEquals(plot1, plot2);
  
          plot1.setRadiusGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.WHITE,
                  3.0f, 4.0f, Color.BLACK));
          assertFalse(plot1.equals(plot2));
          plot2.setRadiusGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.WHITE,
                  3.0f, 4.0f, Color.BLACK));
          assertEquals(plot1, plot2);
  
          plot1.setRadiusGridlineStroke(s);
          assertFalse(plot1.equals(plot2));
          plot2.setRadiusGridlineStroke(s);
          assertEquals(plot1, plot2);
  
          plot1.setRadiusGridlinesVisible(false);
          assertFalse(plot1.equals(plot2));
          plot2.setRadiusGridlinesVisible(false);
          assertEquals(plot1, plot2);
  
          plot1.setRadiusMinorGridlinesVisible(false);
          assertFalse(plot1.equals(plot2));
          plot2.setRadiusMinorGridlinesVisible(false);
          assertEquals(plot1, plot2);
  
          plot1.addCornerTextItem("XYZ");
          assertFalse(plot1.equals(plot2));
          plot2.addCornerTextItem("XYZ");
          assertEquals(plot1, plot2);
  
          plot1.setMargin(6);
          assertFalse(plot1.equals(plot2));
          plot2.setMargin(6);
          assertEquals(plot1, plot2);
  
          List<LegendItem> lic1 = new ArrayList<LegendItem>();
          lic1.add(new LegendItem("XYZ", Color.RED));
          plot1.setFixedLegendItems(lic1);
          assertFalse(plot1.equals(plot2));
          List<LegendItem> lic2 = new ArrayList<LegendItem>();
          lic2.add(new LegendItem("XYZ", Color.RED));
          plot2.setFixedLegendItems(lic2);
          assertEquals(plot1, plot2);
      }
  
      /**
       * Some basic checks for the clone() method.
       * @throws CloneNotSupportedException 
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          PolarPlot p1 = new PolarPlot();
          PolarPlot p2 = (PolarPlot) p1.clone();
          assertNotSame(p1, p2);
          assertSame(p1.getClass(), p2.getClass());
          assertEquals(p1, p2);
  
          // check independence
          p1.addCornerTextItem("XYZ");
          assertFalse(p1.equals(p2));
          p2.addCornerTextItem("XYZ");
          assertEquals(p1, p2);
  
          p1 = new PolarPlot(new DefaultXYDataset(), new NumberAxis("A1"),
                  new DefaultPolarItemRenderer());
          p2 = (PolarPlot) p1.clone();
  
          assertNotSame(p1, p2);
          assertSame(p1.getClass(), p2.getClass());
          assertEquals(p1, p2);
  
          // check independence
          p1.getAxis().setLabel("ABC");
          assertFalse(p1.equals(p2));
          p2.getAxis().setLabel("ABC");
          assertEquals(p1, p2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       * @throws IOException
       * @throws ClassNotFoundException  
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          PolarPlot p1 = new PolarPlot();
          p1.setAngleGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f,
                  4.0f, Color.BLUE));
          p1.setAngleLabelPaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f,
                  4.0f, Color.BLUE));
          p1.setRadiusGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f,
                  4.0f, Color.BLUE));
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(p1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray()));
          PolarPlot p2 = (PolarPlot) in.readObject();
              in.close();
  
          assertEquals(p1, p2);
      }
  
      @Test
      public void testTranslateToJava2D_NumberAxis() {
          
          Rectangle2D dataArea = new Rectangle2D.Double(0.0, 0.0, 100.0, 100.0);
          ValueAxis axis = new NumberAxis();
          axis.setRange(0.0, 20.0);
  
          PolarPlot plot = new PolarPlot(null, axis, null);
          plot.setMargin(0);
          plot.setAngleOffset(0.0);
  
          Point point = plot.translateToJava2D(0.0, 10.0, axis, dataArea );
          assertEquals(75.0, point.getX(), 0.5);
          assertEquals(50.0, point.getY(), 0.5);
  
          point = plot.translateToJava2D(90.0, 5.0, axis, dataArea );
          assertEquals(50.0, point.getX(), 0.5);
          assertEquals(62.5, point.getY(), 0.5);
  
          point = plot.translateToJava2D(45.0, 20.0, axis, dataArea );
          assertEquals(85.0, point.getX(), 0.5);
          assertEquals(85.0, point.getY(), 0.5);
  
          point = plot.translateToJava2D(135.0, 20.0, axis, dataArea );
          assertEquals(15.0, point.getX(), 0.5);
          assertEquals(85.0, point.getY(), 0.5);
  
          point = plot.translateToJava2D(225.0, 15.0, axis, dataArea );
          assertEquals(23.0, point.getX(), 0.5);
          assertEquals(23.0, point.getY(), 0.5);
  
          point = plot.translateToJava2D(315.0, 15.0, axis, dataArea );
          assertEquals(77.0, point.getX(), 0.5);
          assertEquals(23.0, point.getY(), 0.5);
          
          point = plot.translateToJava2D(21.0, 11.5, axis, dataArea );
          assertEquals(77.0, point.getX(), 0.5);
          assertEquals(60.0, point.getY(), 0.5);
          
          point = plot.translateToJava2D(162.0, 7.0, axis, dataArea );
          assertEquals(33.0, point.getX(), 0.5);
          assertEquals(55.0, point.getY(), 0.5);
          
      }
  
      @Test
      public void testTranslateToJava2D_NumberAxisAndMargin() {
          Rectangle2D dataArea = new Rectangle2D.Double(10.0, 10.0, 80.0, 80.0);
          ValueAxis axis = new NumberAxis();
          axis.setRange(-2.0, 2.0);
  
          PolarPlot plot = new PolarPlot(null, axis, null);
          plot.setAngleOffset(0.0);
  
          Point point = plot.translateToJava2D(0.0, 10.0, axis, dataArea );
          assertEquals(110.0, point.getX(), 0.5);
          assertEquals(50.0, point.getY(), 0.5);
  
          point = plot.translateToJava2D(90.0, 5.0, axis, dataArea );
          assertEquals(50.0, point.getX(), 0.5);
          assertEquals(85.0, point.getY(), 0.5);
  
          point = plot.translateToJava2D(45.0, 20.0, axis, dataArea );
          assertEquals(128.0, point.getX(), 0.5);
          assertEquals(128.0, point.getY(), 0.5);
  
          point = plot.translateToJava2D(135.0, 20.0, axis, dataArea );
          assertEquals(-28.0, point.getX(), 0.5);
          assertEquals(128.0, point.getY(), 0.5);
  
          point = plot.translateToJava2D(225.0, 15.0, axis, dataArea );
          assertEquals(-10.0, point.getX(), 0.5);
          assertEquals(-10.0, point.getY(), 0.5);
  
          point = plot.translateToJava2D(315.0, 15.0, axis, dataArea );
          assertEquals(110.0, point.getX(), 0.5);
          assertEquals(-10.0, point.getY(), 0.5);
          
          point = plot.translateToJava2D(21.0, 11.5, axis, dataArea );
          assertEquals(113.0, point.getX(), 0.5);
          assertEquals(74.0, point.getY(), 0.5);
          
          point = plot.translateToJava2D(162.0, 7.0, axis, dataArea );
          assertEquals(7.0, point.getX(), 0.5);
          assertEquals(64.0, point.getY(), 0.5);
      }
  
      @Test
      public void testTranslateToJava2D_LogAxis() {
          Rectangle2D dataArea = new Rectangle2D.Double(0.0, 0.0, 100.0, 100.0);
          ValueAxis axis = new LogAxis();
          axis.setRange(1.0, 100.0);
  
          PolarPlot plot = new PolarPlot(null, axis, null);
          plot.setMargin(0);
          plot.setAngleOffset(0.0);
  
          Point point = plot.translateToJava2D(0.0, 10.0, axis, dataArea );
          assertEquals(75.0, point.getX(), 0.5);
          assertEquals(50.0, point.getY(), 0.5);
  
          point = plot.translateToJava2D(90.0, 5.0, axis, dataArea );
          assertEquals(50.0, point.getX(), 0.5);
          assertEquals(67.5, point.getY(), 0.5);
  
          point = plot.translateToJava2D(45.0, 20.0, axis, dataArea );
          assertEquals(73.0, point.getX(), 0.5);
          assertEquals(73.0, point.getY(), 0.5);
      }
  }
  